KEEL · Keel Infrastructure Corp.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.24 to $3.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.32 to $3.33, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this Form 4.

Each RSU represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

Represents RSUs that vest in three equal installments beginning on July 10, 2026.

Each RSU represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

Represents RSUs that vest yearly in three equal installments starting July 10, 2026.

Each RSU represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

Represents RSUs that vest yearly in three equal installments starting July 10, 2026.

Represents shares of common stock withheld by the issuer to satisfy tax withholding upon the vesting of restricted stock units ("RSUs").

The price was converted into its U.S. Dollar equivalent using an exchange rate on July 10, 2026 at CAD 1.00 = USD 0.7058.

Represents shares of common stock withheld by the issuer to satisfy tax withholding upon the vesting of restricted stock units ("RSUs").

The price was converted into its U.S. Dollar equivalent using an exchange rate on July 10, 2026 at CAD 1.00 = USD 0.7058.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

Represents RSUs that vest yearly in three equal installments starting July 10, 2026.

Represents shares of common stock withheld by the issuer to satisfy tax withholding upon the vesting of restricted stock units ("RSUs").

The price was converted into its U.S. Dollar equivalent using an exchange rate on July 10, 2026 at CAD 1.00 = USD 0.7058.

The stock options will vest 100% on January 9, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election.

The RSUs will vest as follows: 129,758 on January 9, 2027; 64,879 on July 9, 2027; and 64,879 on January 9, 2028.

No new stock options have been awarded. The transactions reported herein reflect the extension of the expiration date of previously granted options in accordance with Issuer's Long Term Incentive Plan.

The price was converted into its U.S. Dollar equivalent using the Bank of Canada daily exchange rate on June 29, 2026 (at CAD 1.00 = USD 0.704).

The stock option is fully vested and currently exercisable.

No new stock options have been awarded. The transactions reported herein reflect the extension of the expiration date of previously granted options in accordance with Issuer's Long Term Incentive Plan.

The price was converted into its U.S. Dollar equivalent using the Bank of Canada daily exchange rate on June 29, 2026 (at CAD 1.00 = USD 0.704).

The stock option is fully vested and currently exercisable.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

The RSUs vest yearly in three equal installments starting April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

The RSUs vest yearly in three equal installments starting April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

The RSUs vest yearly in three equal installments starting April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

The RSUs vest yearly in three equal installments starting April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the issuer's election

The RSUs will vest on the first year anniversary of the grant, on April 2, 2027.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock or an equivalent value in cash at the issuer's election.

The RSUs vest yearly in three equal installments starting April 2, 2027.